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You are now connected to your robot and have reached the main screen. On this page, we present each of the elements you can see on the screen:
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The title
At the top of your screen, a title informs you about the characteristics of the currently selected settings: the learning mode (supervised, reinforcement, or no learning), the control mode (piloted/autonomous), and the number of data recorded in the experience memory during learning.
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The robot
On the left of your screen, you can see an image of the robot you are currently using.
For the AlphAI robot, the sensors used in the activity appear in black.
The color of the wheels indicates whether they are blocked (red) or not (green).
You can also see the color of the shell.
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Central display
The entire right-hand side of your screen is taken up by the central display. It can contain :
A neural network
On the far left, the input neurons: these are the robot sensors used.
In the middle, the connections and intermediate layers of neurons.
On the far right, output neurons and corresponding action icons: these are the actions the robot can perform.
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You can fully parameterize the neural network (AI tab) and modify its visualization (Visualization tab).
A visualization of the state space
For example, if the chosen algorithm is K-nearest neighbors, the neural network will be replaced by a graph. See the KNN ACTIVITY.
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Visualization of learning data
Once you have provided the robot with example data, you can also display each piece of recorded data on screen: the information provided by the sensors and the associated action. You can correct a bias by deleting a piece of data, modifying an action, etc.
A combination of these elements
For example, in the Intruder detection activity, you can see the state space and the neural network
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Video screen
If the camera sensor is required for the chosen activity, you'll see a return of the robot's camera in the top left-hand corner of your screen (even for a simulated robot!). If the activity uses the computer's webcam, this is where it will appear.
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2D simulation (for the AlphAI robot)
If you have chosen the AlphAI simulated robot for your activity, a 2D arena will appear at the bottom left of your screen, with the simulated robot moving around it live.
If you wish to modify this simulated arena, open the Sensors tab and scroll down: you can then add/remove the central island and choose the color of the interior and exterior walls.
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Battery level
If you're connected to an AlphAI robot, at the bottom left of your screen you'll see a battery level indicator. There are 2 states:
- either the battery icon is green, in which case there's nothing to report
- either the battery icon is red or black, in which case we advise you to disconnect the robot from the software and change the batteries immediately
Changing batteries on an AlphAI robot
Awards and levels
If you've chosen an activity with reinforcement learning, 2 bars will appear at the bottom of your screen: reward (the rewards given to the robot according to the actions performed: red if negative, green if positive) and level (average of rewards received).
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